In spite of the general affection of the greater curvature of the stomach, there were no dyspeptic manifestations, pains in the upper half of the stomach were not related to meals, 'and the stool remained unchanged. The main characteristic of the clinical picture was the distribution of the tumor process to the diaphragm, which was a reason explaining the complaints about acute pains in the right flank enhancing in the course of movements or deep breaths. No data about any metastatic affection of the skeleton bones, lungs or pleura were received. This case shows the need in the close examination of the diaphragm in the case of the pain syndrome in the right hypochondrium in patients with generalized tumor diseases.